- Quarter end
- 31 Dec 2025
- the date the book describes
- Filed
- 27 Oct 2026
- latest of these filings; the earliest 10 Feb 2026
- Managers listing it
- 23
- at least, of 95 tracked, among listed positions
- Comparable managers
- 92
- filed both Q3 2025 and Q4 2025; 4 listed it in both
- Shares listed
- 3,174,781
- combined, among listed positions
- Reported value
- $428m
- combined, at the quarter end
Among the 92 comparable managers: 14 buyers (opened or added shares) and 15 sellers (trimmed or exited), at least, among listed positions. Their net change in shares was +453,382.
Managers listing PLMR in Q4 2025
23 of 23 holders
Largest increases and reductions, by shares
Increases
- Janus Henderson Group Ltdexisting position · 795,625 shares now+568,360
- Balyasny Asset Management LLCexisting position · 308,734 shares now+229,681
- Arrowstreet Capital LPexisting position · 86,540 shares now+66,117
- Citadel Advisors LLCexisting position · 122,487 shares now+49,129
- Woodline Partners LPexisting position · 126,146 shares now+27,275
Reductions
- Millennium Management LLCexisting position · 24,804 shares now-120,150
- Man Group PLCexisting position · 73,640 shares now-65,542
- Voloridge Investment Management LLCexisting position · 96,995 shares now-55,695
- D. E. Shaw & Co.existing position · 2,115 shares now-43,907
- Invesco Ltdexisting position · 677,937 shares now-39,212
New positions and exits
New (2)
Exited (6)
- Jane Street Group LLCwas $9.7m
- Squarepoint Ops LLCwas $2.9m
- Tudor Investment Corpwas $2.8m
- Susquehanna International Group LLPwas $965k
- Schonfeld Strategic Advisors LLCwas $791k
- Verition Fund Management LLCwas $630k
Ownership over time
Tracked managers listing it, at least.
| Quarter | Holders | Reported value | Buyers | Sellers |
|---|---|---|---|---|
| Q3 2019 | 3 | $5.8m | n.a. | n.a. |
| Q4 2019 | 1 | $1.1m | n.a. | n.a. |
| Q1 2020 | 3 | $190m | n.a. | n.a. |
| Q2 2020 | 4 | $308m | n.a. | n.a. |
| Q3 2020 | 2 | $311m | n.a. | n.a. |
| Q4 2020 | 1 | $474k | n.a. | n.a. |
| Q1 2021 | 1 | $512k | n.a. | n.a. |
| Q4 2021 | 1 | $16m | n.a. | n.a. |
| Q1 2022 | 1 | $28m | n.a. | n.a. |
| Q2 2022 | 2 | $21m | n.a. | n.a. |
| Q3 2022 | 3 | $69m | n.a. | n.a. |
| Q4 2022 | 3 | $17m | n.a. | n.a. |
| Q1 2023 | 2 | $2.0m | n.a. | n.a. |
| Q2 2023 | 2 | $1.6m | n.a. | n.a. |
| Q3 2023 | 2 | $19m | n.a. | n.a. |
| Q4 2023 | 1 | $739k | 0 | 1 |
| Q1 2024 | 1 | $1.1m | 1 | 0 |
| Q2 2024 | 1 | $1.1m | 1 | 0 |
| Q3 2024 | 4 | $13m | 3 | 1 |
| Q4 2024 | 4 | $15m | 1 | 2 |
| Q1 2025 | 4 | $58m | 4 | 0 |
| Q2 2025 | 6 | $138m | 4 | 2 |
| Q3 2025 | 4 | $59m | 4 | 0 |
| Q4 2025 | 4 | $198m | 14 | 15 |
| Q1 2026 | 3 | $181m | 10 | 15 |
| Q2 2026 | 2 | $211m | 13 | 11 |
Compare with…
Holders over time, buyers and sellers, and the managers holding both, side by side for up to four stocks.
PLMR and V →PLMR and AXP →PLMR and BAC →Choose a stock to compare with PLMR →
How much of the picture this is
A 13F is a manager’s long US-listed equity book at a quarter end, filed up to 45 days later. It shows no shorts, cash, bonds or performance, and it is never today’s portfolio. Large books are listed to their largest positions, so a manager missing from this table may still hold a small position below that line. These are 95 tracked managers, not the institutional market.
Which funds own PLMR, latest filings →Back to the 13F Explorer →